81.She will come round __________ an hour or so.
[C] She will come round in an hour or so.
82.What's the matter __________ you?
[A] What's the matter with you?
83.His advice was very useful __________ her.
[B] His advice was very useful to her.
84.She cooked a big meal __________ us.
[D] She cooked a big meal for us.
85.Practicing is very good __________ me.
[C] Practicing is very good for me.
86.He isn't here; he's __________ vacation.
[D] He isn't here; he's on vacation.
87.Our boss is __________ control of the situation.
[B] Our boss is in control of the situation.
88.I hope your father is __________ good health.
[A] I hope your father is in good health.
89.They sat there __________ comfort all afternoon.
[C] They sat there in comfort all afternoon.
90. This car seems to be __________ control.
[D] This car seems to be out of control.